Indiana Jones 4?

TheRaider.net: Having accomplished so much on a blockbuster scale, Lucas said that after "Revenge of the Sith" and his upcoming fourth "Indiana Jones" installment (which he hopes to start shooting within a year), he'd like to return to indie-style movies like his 1971 debut, "THX 1138," which returns to theaters Friday (September 10) with a new director's cut.